A patent filed by Clearview AI for part of its facial recognition technology is set to be granted by the US Patent and Trademark Office. Clearview's software is already being used by several bodies in the US, including the FBI.
https://www.notebookcheck.net/Clearview-is-one-step-closer-to-getting-a-US-patent-for-its-facial-recognition-software.583287.0.html